2 Kings 2:9 "And it came to pass, when they were gone over, that Elijah said unto Elisha, Ask what I shall do for thee, before I be taken away from thee. And Elisha said, I pray thee, let a double portion of thy spirit be upon me."
When we look at the life of Elijah, he was a powerful man of God who did great exploits. Elisha received his mantle and received a double portion and did double feats into the Lord.
The Lord knows who these people are that God is going to raise up. These are people called to move in the double portion who are pure. They have prepared themselves like John the Baptist. The Lord will raise them up and they will position themselves until the Lord comes for His bride.
2 Kings 2:13-14 "He took up also the mantle of Elijah that fell from him, and went back, and stood by the bank of Jordan; And he took the mantle of Elijah that fell from him, and smote the waters, and said, Where is the LORD God of Elijah? and when he also had smitten the waters, they parted hither and thither: and Elisha went over."